Receivables - Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 28, 2019	Apr. 29, 2018	Apr. 28, 2019	Apr. 29, 2018	Oct. 28, 2018
Allowance:
Beginning of period balance	$ 106.7	$ 114.1	$ 106.7	$ 113.8
Provision (credit) for credit losses	26.1	13.3	26.9	16.1
Write-offs	(28.9)	(20.0)	(40.2)	(30.8)
Recoveries	6.7	7.7	17.0	15.5
Translation adjustments	(0.2)	(0.3)		0.2
End of period balance	110.4	114.8	110.4	114.8
Balance individually evaluated	5.4	2.7	5.4	2.7
Receivables:
End of period balance	32,687.6	29,856.0	32,687.6	29,856.0	$ 30,646.7
Balance individually evaluated	86.5	57.4	86.5	57.4
Retail notes
Allowance:
Beginning of period balance	51.2	55.8	51.6	55.7
Provision (credit) for credit losses	8.1	3.7	12.6	6.0
Write-offs	(6.4)	(4.7)	(13.2)	(9.9)
Recoveries	1.3	2.0	3.2	4.6
Translation adjustments	(0.1)	(0.2)	(0.1)	0.2
End of period balance	54.1	56.6	54.1	56.6
Balance individually evaluated	1.8	0.1	1.8	0.1
Receivables:
End of period balance	18,015.0	16,907.0	18,015.0	16,907.0
Balance individually evaluated	73.6	45.8	73.6	45.8
Revolving charge accounts
Allowance:
Beginning of period balance	42.3	39.7	42.3	39.7
Provision (credit) for credit losses	16.3	8.8	15.4	8.4
Write-offs	(21.5)	(14.3)	(25.4)	(18.9)
Recoveries	5.2	5.5	10.0	10.6
Translation adjustments				(0.1)
End of period balance	42.3	39.7	42.3	39.7
Receivables:
End of period balance	3,235.9	3,152.5	3,235.9	3,152.5	3,797.6
Balance individually evaluated	2.4	1.1	2.4	1.1
Wholesale receivables
Allowance:
Beginning of period balance	7.9	10.2	8.0	9.9
Provision (credit) for credit losses	0.2	0.3	(3.7)	0.4
Write-offs		(0.4)		(0.5)
Recoveries			3.6
Translation adjustments	(0.1)	(0.2)	0.1	0.1
End of period balance	8.0	9.9	8.0	9.9
Balance individually evaluated	2.9	2.5	2.9	2.5
Receivables:
End of period balance	10,809.7	9,129.7	10,809.7	9,129.7	7,967.6
Balance individually evaluated	9.4	10.3	9.4	10.3
Financing leases
Allowance:
Beginning of period balance	5.3	8.4	4.8	8.5
Provision (credit) for credit losses	1.5	0.5	2.6	1.3
Write-offs	(1.0)	(0.6)	(1.6)	(1.5)
Recoveries	0.2	0.2	0.2	0.3
Translation adjustments		0.1
End of period balance	6.0	8.6	6.0	8.6
Balance individually evaluated	0.7	0.1	0.7	0.1
Receivables:
End of period balance	627.0	666.8	627.0	666.8	$ 770.6
Balance individually evaluated	$ 1.1	$ 0.2	$ 1.1	$ 0.2